Boot



FIG. 1 is a left side elevational view of a boot showing my new design, the right side being substantially a mirror image thereto but with the embossed letters "OGGS" omitted;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a boot, substantially as shown and described. 